Shredder



FIG. 1 is a perspective view of a shredder showing our new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line shown in the figure drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a shredder, as shown and described. 